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    • 3. 发明公开
    • A METHOD FOR ESTABLISHMENT OF AN ANNULUS BARRIER IN A SUBTERRANEAN WELL
    • 爱尔兰ZER HERSTELLUNG EINERRINGFÖRMIGENBARRIERE IN EINEM UNTERIRDISCHEN BOHRLOCH
    • EP2809876A4
    • 2016-08-03
    • EP13743402
    • 2013-01-21
    • HYDRA SYSTEMS AS
    • ANDERSEN PATRICKDAHL ARNT OLAVLARSEN ARNE GUNNARJENSEN ROY INGEMYHRE MORTEN
    • E21B33/14E21B33/13
    • E21B33/10E21B33/13E21B33/14
    • A method is for establishing an annulus barrier in a subterranean well. The method comprises providing a plug in the well and along a longitudinal section thereof, wherein the plug, at least in a portion of the longitudinal section, covers substantially the entire cross-section of the well in such a manner that the plug covers both the inside and the outside of a casing; removing a central through portion of the plug internally in the casing in such a manner that a through central opening is formed in the plug, and in such a manner that at least a cross-sectional section of the plug remains on the outside of the casing; disposing and anchoring a connection pipe in the well, and internally in the casing, in such a manner that the connection pipe extends at least along a length of the remaining cross-sectional section; and sealing, in a fluid-tight manner, an annulus between the casing and the connection pipe.
    • 一种在地下井中建立环形阻挡层的方法。 该方法包括在井中并沿其纵向部分提供塞子,其中至少在纵向截面的一部分中的塞子以这样的方式覆盖井的整个横截面,使得塞子覆盖 内部和外部; 在壳体内部以插塞的形式穿过中心开口的方式去除插塞的中心通过部分,并且使得插头的至少横截面部分保持在壳体的外侧 ; 将连接管设置和锚定在井中以及在壳体的内部,使得连接管至少沿a延伸。 剩余横截面的长度; 并且以流体密封的方式密封壳体和连接管之间的环形空间。
    • 6. 发明公开
    • METHOD FOR ESTABLISHMENT OF A NEW WELL PATH FROM AN EXISTING WELL
    • VERFAHREN ZUR HERSTELLUNG EINES NEUEN DURCHANGSWEGS IN EINEM BESTEHENDEN BOHRLOCH
    • EP3033479A4
    • 2017-05-10
    • EP14836487
    • 2014-08-12
    • HYDRA SYSTEMS AS
    • MYHRE MORTENLARSEN ARNE GUNNARJENSEN ROY INGEANDERSEN PATRICKDAHL ARNT OLAVENGELSGJERD ERLENDIUELL MARKUSØSTVOLD ARNOLD
    • E21B33/13E21B7/06E21B33/12E21B37/08E21B43/116
    • E21B37/00E21B7/061E21B33/12E21B33/1204E21B33/13E21B33/16E21B37/08E21B43/11E21B43/116
    • A method is for establishment of a new well path from a well. The method comprises disposing and anchoring a plug base in a casing in the well; lowering a perforation tool into the casing; forming holes in the casing along a longitudinal section; pumping a flushing fluid out through outlets in a flushing tool and into the casing and further out into an annulus; pumping a fluidized plugging material out through the flushing tool and into the casing and further out into the annulus; placing the fluidized plugging material along the longitudinal section so as to form a plug across a cross section of the well; wherein the outlets in the flushing tool are angled non-perpendicularly relative to a longitudinal axis of the flushing tool. The method also comprises removing a portion of the plug until a cross-sectional section of the plug remains in the annulus; disposing and anchoring a direction-guiding element in the casing within the longitudinal section; by means of the element, guiding a drilling tool against the inside of the casing; and forming an exit hole through the casing and the cross-sectional section of the plug, thereby allowing a new well path to be formed from the well.
    • 一种方法是从井中建立新的井道。 该方法包括将插塞底座设置并固定在井中的套管中; 将穿孔工具降入壳体中; 沿着纵向截面在套管中形成孔; 将冲洗流体通过冲洗工具中的出口泵出并进入套管并进一步进入环形空间; 通过冲洗工具将流体化的堵塞材料泵出并进入套管并进一步排出到环形空间中; 沿着所述纵向部分放置所述流化的堵塞材料以便在所述井的横截面上形成塞子; 其中冲洗工具中的出口相对于冲洗工具的纵向轴线不垂直地成角度。 该方法还包括移除塞子的一部分,直到塞子的横截面部分保留在环空中; 将方向引导元件设置并锚定在纵向部分内的外壳中; 借助于所述元件将钻孔工具引导抵靠壳体的内部; 并且通过壳体和塞子的横截面形成出口孔,由此允许从井形成新的井道。
    • 9. 发明公开
    • METHOD FOR ISOLATION OF A PERMEABLE ZONE IN A SUBTERRANEAN WELL
    • VERFAHREN ZUR ISOLIERUNG EINERDURCHLÄSSIGENZONE in EINEM UNTERIRDISCHEN BOHRLOCH
    • EP3042035A4
    • 2017-06-21
    • EP14842220
    • 2014-08-26
    • HYDRA SYSTEMS AS
    • LARSEN ARNE GUNNARJENSEN ROY INGEANDERSEN PATRICKENGELSGJERD ERLENDIUELL MARKUSDAHL ARNT OLAVØSTVOLD ARNOLDMYHRE MORTEN
    • E21B33/13E21B37/00E21B43/32
    • E21B33/14E21B33/13E21B37/00E21B43/11
    • A method is for isolation of a permeable zone in a subterranean well, wherein the well is provided with a pipe body. The method comprises lowering a perforation tool into the pipe body; forming holes in the pipe body along a longitudinal section; pumping a flushing fluid out through outlets in a flushing tool, into the pipe body and further out into an annulus; pumping a fluidized plugging material out through the flushing tool, into the pipe body and further out into the annulus; placing the fluidized plugging material along the longitudinal section so as to form a plug across the cross section of the well, whereby the plug fills the pipe body and the annulus; wherein at least one outlet in the flushing tool is angled non-perpendicularly relative to a longitudinal axis of the flushing tool, whereby a corresponding discharge jet also will be non-perpendicular to the longitudinal axis.
    • 一种方法用于隔离地下井中的可渗透区域,其中井设置有管体。 该方法包括将穿孔工具降入管体; 沿着纵向截面在管体中形成孔; 将冲洗流体通过冲洗工具中的出口泵出,进入管体并进一步进入环空; 通过冲洗工具将流体化的堵塞材料泵出,进入管体并进一步进入环形空间; 沿着所述纵向部分放置所述流化的堵塞材料,以便在所述井的横截面上形成堵塞物,由此所述堵塞物填充所述管体和所述环状物; 其中冲洗工具中的至少一个出口相对于冲洗工具的纵向轴线非垂直地成角度,由此相应的排放射流也将不垂直于纵向轴线。